Notes:
Beginning with 2006, "Other States" volumes for the production series include the following states/areas: Alabama, Arizona, Federal Offshore Pacific, Florida, Idaho, Illinois, Indiana, Kentucky, Maryland, Michigan, Mississippi, Missouri, Nebraska, Nevada, New York, Oregon, South Dakota, Tennessee, and Virginia. Before 2017, Federal Offshore Pacific is included in California not "Other States". Production series data for 2017 forward are estimates. Final 2017 state-level production series data will not be available until the 2017 Natural Gas Annual is published (scheduled for the third quarter of 2018).
See Definitions, Sources, and Notes link above for more information on this table.